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EN-MC21210 Magnesium vs. EN 1.4062 Stainless Steel

EN-MC21210 magnesium belongs to the magnesium alloys classification, while EN 1.4062 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is EN-MC21210 magnesium and the bottom bar is EN 1.4062 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 44
200
Elongation at Break, % 14
23 to 34
Fatigue Strength, MPa 70
410 to 420
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 17
79
Shear Strength, MPa 110
510
Tensile Strength: Ultimate (UTS), MPa 190
770 to 800
Tensile Strength: Yield (Proof), MPa 90
530 to 600

Thermal Properties

Latent Heat of Fusion, J/g 350
290
Maximum Temperature: Mechanical, °C 100
1030
Melting Completion (Liquidus), °C 600
1430
Melting Onset (Solidus), °C 570
1380
Specific Heat Capacity, J/kg-K 1000
480
Thermal Conductivity, W/m-K 120
15
Thermal Expansion, µm/m-K 27
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 130
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 12
12
Density, g/cm3 1.6
7.7
Embodied Carbon, kg CO2/kg material 24
2.6
Embodied Energy, MJ/kg 160
37
Embodied Water, L/kg 980
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
170 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 92
690 to 910
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 72
25
Strength to Weight: Axial, points 32
28 to 29
Strength to Weight: Bending, points 44
24 to 25
Thermal Diffusivity, mm2/s 76
4.0
Thermal Shock Resistance, points 11
21 to 22

Alloy Composition


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Aluminum (Al), % 1.6 to 2.6
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
21.5 to 24
Copper (Cu), % 0 to 0.010
0
Iron (Fe), % 0 to 0.0050
69.3 to 77.3
Magnesium (Mg), % 96.3 to 98.3
0
Manganese (Mn), % 0.1 to 0.7
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.45
Nickel (Ni), % 0 to 0.0020
1.0 to 2.9
Nitrogen (N), % 0
0.16 to 0.28
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Zinc (Zn), % 0 to 0.2
0
Residuals, % 0 to 0.010
0